22km distributed strain sensor using Brillouin loss in an optical fibre


A novel distributed strain sensor is presented utilizing the strain dependence of the frequency at which the Brillouin loss is maximized in the interaction between a cw laser and a pulsed laser. A strain resolution of 20 µ with a spatial resolution of 5 m has been achieved with a 22 km sensing length.

Uncontrolled Keywords: distributed strain sensor, strain dependence, frequency, Brillouin loss
Publication ISSN: 0030-4018
Last Modified: 23 Oct 2019 11:28
Date Deposited: 04 May 2011 10:26
Published Date: 1994-01-01
Authors: Bao, X.
Webb, David J.
Jackson, David A.


Item under embargo.

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